Name: Vegan Zucchini Brownies Recipe
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Ingredients: 1 cup all-purpose flour; 1/2 cup cocoa powder; 1/2 cup granulated sugar; 1/2 cup light brown sugar, lightly packed; 1 teaspoon baking powder; 1/2 teaspoon fine sea salt; 1/2 teaspoon instant espresso powder; 1 1/2 cups shredded zucchini, lightly squeezed; 1/2 cup neutral oil (such as avocado, canola, or light olive oil); 1/4 cup unsweetened dairy free milk (such as oat, soy, or almond); 2 teaspoons vanilla extract; 1/2-3/4 cup dairy free chocolate chips or chunks, plus extra for topping if desired

Vegan Zucchini Brownies Recipe tastes ultra fudgy, super chocolatey, and secretly packs in veggies that no one detects. It works perfectly for busy families, beginner bakers, or anyone who wants a rich vegan dessert in about 45 minutes total. I tested this version so many times that my neighbors started “checking in” right around brownie o’clock.

Why Make This Vegan Zucchini Brownies Recipe at Home

You control the sweetness, the chocolate level, and the texture, so the brownies turn out exactly how you like them. You also sneak in zucchini, which adds moisture and structure without any egg or dairy.

Homemade vegan zucchini brownies cost less than bakery versions and use simple pantry ingredients. You skip weird preservatives and still get a dense, fudgy square that tastes like a classic brownie, not a salad in disguise.

“These vegan zucchini brownies taste rich, gooey, and totally bakery level, and no one guessed they had veggies inside ★★★★★”

Ingredients You Need

Dry ingredients

All-purpose flour
- Use regular unbleached flour for the best texture.
- You can swap with a 1:1 gluten free baking blend if needed.
Cocoa powder
- Use natural cocoa powder, not hot cocoa mix.
- Dutch process cocoa gives a deeper flavor and darker color.
Granulated sugar
- Organic cane sugar usually counts as vegan, since many brands skip bone char.
- Check the label if you want strict vegan certification.
Brown sugar
- Light brown sugar adds moisture and a hint of caramel flavor.
- Pack it lightly into the measuring cup.
Baking powder
- This helps the brownies rise slightly while staying fudgy.
- Make sure it smells fresh and not metallic.
Fine sea salt
- Salt sharpens the chocolate flavor and keeps the brownies from tasting flat.
Instant espresso powder (optional)
- A tiny bit deepens the chocolate flavor without making the brownies taste like coffee.

Wet ingredients

Shredded zucchini
- Use small to medium zucchini, since large ones can taste watery and seedy.
- Do not peel; the skin adds color and nutrients, and you will not notice it.
Neutral oil
- Use avocado oil, canola oil, or light olive oil.
- Coconut oil works too, but melt it and cool slightly.
Dairy free milk
- Use oat, soy, or almond milk.
- Choose an unsweetened variety so you control the sugar level.
Vanilla extract
- Real vanilla gives the brownies a bakery style aroma.
Dairy free chocolate chips or chunks
- Use a brand that labels as vegan, such as Enjoy Life or Trader Joe’s dairy free chips.
- Mini chips spread more evenly through the batter.

Pantry shortcuts and substitutions

Use pre-shredded zucchini from the store if you feel short on time, but squeeze it gently to remove excess water.
Use a boxed vegan brownie mix and stir in shredded zucchini and extra chocolate chips if you want a semi-homemade shortcut.
Swap half the oil with unsweetened applesauce if you want a slightly lighter texture.

Equipment list

8 x 8 inch metal baking pan (lined with parchment)
Mixing bowls, one large and one medium
Whisk and rubber spatula
Box grater or food processor with shredding disc
Measuring cups and spoons
Cooling rack
Sharp knife for slicing

Tips & Mistakes

Squeeze the zucchini lightly in your hands if it feels very wet, but keep some moisture so the brownies stay fudgy.
Do not overmix the batter, or the brownies turn cakey instead of dense and chewy.
Line the pan with parchment and leave a little overhang so you lift the brownies out easily.
Use a metal pan, since glass often bakes slower and can overcook the edges.
Pull the brownies out when the center still looks slightly soft, because they continue to set as they cool.
Let the brownies cool almost completely before slicing, or they crumble and look messy.
Cut smaller squares, since these brownies taste rich and intense.
Store the brownies tightly covered so they do not dry out or pick up fridge smells.

How to Make Vegan Zucchini Brownies Recipe

Step 1: Prep the pan and oven

Preheat your oven to 350°F (175°C).
Line an 8 x 8 inch pan with parchment paper and lightly grease the sides.
Set the pan aside while you mix the batter.

Step 2: Shred the zucchini

Wash and dry the zucchini.
Grate it on the small or medium holes of a box grater.
Measure 1½ cups of loosely packed shredded zucchini, then gently squeeze out a little moisture over the sink.

Step 3: Mix the dry ingredients

In a medium bowl, whisk together:

1 cup all-purpose flour
½ cup cocoa powder
½ cup granulated sugar
½ cup light brown sugar
1 teaspoon baking powder
½ teaspoon fine sea salt
½ teaspoon instant espresso powder (optional)

Whisk until no cocoa clumps remain.

Step 4: Mix the wet ingredients

In a large bowl, combine:

½ cup neutral oil
¼ cup dairy free milk
2 teaspoons vanilla extract

Whisk until the mixture looks smooth and glossy.
Stir in the shredded zucchini until it coats evenly.

Step 5: Combine wet and dry

Pour the dry mixture into the large bowl with the wet mixture.
Fold gently with a spatula until no dry streaks of flour remain.
The batter will look thick and almost stiff, which keeps the brownies fudgy.

Step 6: Add chocolate chips

Fold in ½ to ¾ cup dairy free chocolate chips or chunks.
Spread the batter into the prepared pan and smooth the top with a spatula.
Sprinkle a few extra chips on top if you want a bakery style look.

Step 7: Bake

Place the pan on the middle rack of the oven.
Bake for 25 to 30 minutes, until the edges look set and a toothpick inserted near the center comes out with a few moist crumbs.
If the toothpick comes out completely wet, bake 3 to 5 minutes more and check again.

Step 8: Cool and slice

Set the pan on a cooling rack and let the brownies cool for at least 30 minutes.
Use the parchment overhang to lift the slab out of the pan.
Slice into 9 large squares or 16 smaller ones with a sharp knife, wiping the blade between cuts for clean edges.

Variations I've Tried

Peanut butter swirl: Drop spoonfuls of warmed peanut butter on top of the batter and drag a knife through to swirl before baking.
Mocha brownies: Add 1 tablespoon espresso powder and a handful of chopped dark chocolate for a stronger coffee chocolate combo.
Nutty crunch: Stir in ½ cup chopped walnuts or pecans along with the chocolate chips.
Double chocolate mint: Add ½ teaspoon peppermint extract and use dark chocolate chips for a thin mint style flavor.
Raspberry studded: Gently press fresh raspberries into the top of the batter right before baking for little pockets of tart fruit.

How to Serve Vegan Zucchini Brownies Recipe

Serve these vegan zucchini brownies slightly warm so the chocolate chips stay soft and melty. Pair a square with a scoop of dairy free vanilla ice cream or a spoonful of coconut whipped cream. Add fresh berries on the side for a bright, juicy contrast. Pack them in lunchboxes, bring them to potlucks, or enjoy a square with a mug of hot coffee, tea, or cold oat milk.

How to store

Room temperature: Keep brownies in an airtight container at room temp for up to 3 days.
Fridge: Store in a covered container in the fridge for 5 to 6 days; let them sit at room temp for 10 to 15 minutes before eating.
Freezer: Wrap individual squares in parchment, place in a freezer bag, and freeze for up to 2 months.
Reheating: Warm a brownie in the microwave for 10 to 15 seconds or in a low oven at 300°F for about 5 minutes until just soft and slightly gooey.